Ключевые слова: amorphous, art, background, batteries, black, brake linings, carbon, coal, details, drawing, electrode, electrodes, element, form, graphite, graphite oxide, grey, macro, mineral, moderator, nuclear, nuclear graphite, pencil, pencil lead, pencils, piece, raw, reflection, rough, semimetal, shavings, specimen, steelmaking, stone, structure, studio, unpolished,